/**
 * Copyright (C) 2002-2015   The FreeCol Team
 * <p>
 * This file is part of FreeCol.
 * <p>
 * FreeCol is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 2 of the License, or
 * (at your option) any later version.
 * <p>
 * FreeCol is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 * <p>
 * You should have received a copy of the GNU General Public License
 * along with FreeCol.  If not, see <http://www.gnu.org/licenses/>.
 */

package net.sf.freecol.server.model;

import java.util.List;
import java.util.logging.Logger;

import net.sf.freecol.common.model.AbstractUnit;
import net.sf.freecol.common.model.Goods;
import net.sf.freecol.common.model.Monarch.MonarchAction;
import net.sf.freecol.server.control.ChangeSet;


/**
 * A type of session to handle monarch actions that require response.
 */
public class MonarchSession extends TransactionSession
{

    private static final Logger logger = Logger.getLogger( MonarchSession.class.getName( ) );

    /** The player whose monarch is active. */
    private final ServerPlayer serverPlayer;

    /** The action to be considered. */
    private final MonarchAction action;

    /** The amount of tax to raise. */
    private final int tax;

    /** The goods for the goods party. */
    private Goods goods = null;

    /** Mercenaries on offer. */
    private List< AbstractUnit > mercenaries = null;

    /** Mercenary price. */
    private final int price;


    public MonarchSession( ServerPlayer serverPlayer, MonarchAction action,
                           int tax, Goods goods )
    {
        super( makeSessionKey( MonarchSession.class, serverPlayer.getId( ), "" ) );

        this.serverPlayer = serverPlayer;
        this.action = action;
        this.tax = tax;
        this.goods = goods;
        this.mercenaries = null;
        this.price = 0;
    }

    public MonarchSession( ServerPlayer serverPlayer, MonarchAction action,
                           List< AbstractUnit > mercenaries, int price )
    {
        super( makeSessionKey( MonarchSession.class, serverPlayer.getId( ), "" ) );

        this.serverPlayer = serverPlayer;
        this.action = action;
        this.tax = 0;
        this.goods = null;
        this.mercenaries = mercenaries;
        this.price = price;
    }

    public void complete( boolean result, ChangeSet cs )
    {
        switch ( action )
        {
            case RAISE_TAX_ACT:
            case RAISE_TAX_WAR:
                serverPlayer.csRaiseTax( tax, goods, result, cs );
                break;
            case MONARCH_MERCENARIES:
            case HESSIAN_MERCENARIES:
                if ( result ) serverPlayer.csAddMercenaries( mercenaries, price, cs );
                break;
            default:
                break;
        }
        super.complete( cs );
    }

    @Override
    public void complete( ChangeSet cs )
    {
        switch ( action )
        {
            case RAISE_TAX_ACT:
            case RAISE_TAX_WAR:
                serverPlayer.ignoreTax( tax, goods, cs );
                break;
            case MONARCH_MERCENARIES:
            case HESSIAN_MERCENARIES:
                serverPlayer.ignoreMercenaries( cs );
                break;
            default:
                break;
        }
        super.complete( cs );
    }

    public MonarchAction getAction( )
    {
        return this.action;
    }

    public int getTax( )
    {
        return this.tax;
    }

    public Goods getGoods( )
    {
        return this.goods;
    }

    public List< AbstractUnit > getMercenaries( )
    {
        return this.mercenaries;
    }

    public int getPrice( )
    {
        return this.price;
    }
}
